openbsd -current hatl -p not working?

[Frank Bax]

At 12:56 PM 3/25/07, Daniel Staal wrote:

>--As of March 25, 2007 3:12:03 PM +0800, Jay Jesus Amorin is alleged to
>have said:
>
> > is there a way for halt -p to work on openbsd -current?
> >
> > any idea on how can i make it work?
>
>--As for the rest, it is mine.
>
>As far as I know, halt -p should work just fine on -current.
>
>...Provided, of course, that your hardware supports it.  Not every machine 
>does.


How does one determine if hardware supports it or not?  I have a very new 
Dell Latitude D520; that does not power off with halt -p on -current.

Frank